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. 2020 Jul 21;14:594. doi: 10.3389/fnins.2020.00594

Figure 3.

Figure 3

(A) Number of participants from different target populations and (B) Number of studies targeting a certain brain region. ADHD, attention-deficit/hyperactivity disorder; dlPFC, dorsolateral prefrontal cortex; IFG, inferior frontal gyrus; OFC, orbitofrontal cortex; PFC, prefrontal cortex; SMA, supplementary motor area.